Which country is good to immigrate to now, with good welfare, and want to immigrate?

Nordic countries have the best welfare, but they are not immigrant countries and do not accept immigrants in principle.

The welfare of southwest European countries is also good, but they are not immigrant countries. Their current immigration policy is largely to meet the immediate economic difficulties, and there are many preconditions, so they are not real immigrants.

The United States is an immigrant country, but its welfare is not good in western developed countries. And it's hard to immigrate to America.

Canada, Australia and New Zealand are all immigrant countries with good welfare, and their immigration policies are relatively stable. But it is not easy to immigrate to these countries, either you are an entrepreneur and have money; Either you are a high-tech talent who is proficient in English.